SQL>
SQL>
SQL> CREATE TABLE error_log (
2 timestamp DATE,
3 username VARCHAR2(30),
4 instance NUMBER,
5 database_name VARCHAR2(50),
6 error_stack VARCHAR2(2000)
7 );
Table created.
SQL>
SQL> CREATE OR REPLACE TRIGGER LogErrors
2 AFTER SERVERERROR ON DATABASE
3 BEGIN
4 INSERT INTO error_log
5 VALUES (SYSDATE, SYS.LOGIN_USER, SYS.INSTANCE_NUM, SYS.
6 DATABASE_NAME, DBMS_UTILITY.FORMAT_ERROR_STACK);
7 END LogErrors;
8 /
Trigger created.
SQL>
SQL> SELECT * FROM non_existent_table;
SELECT * FROM non_existent_table
*
ERROR at line 1:
ORA-00942: table or view does not exist
SQL>
SQL> BEGIN
2 INSERT INTO non_existent_table VALUES ('Hello!');
3 END;
4 /
INSERT INTO non_existent_table VALUES ('Hello!');
*
ERROR at line 2:
ORA-06550: line 2, column 15:
PL/SQL: ORA-00942: table or view does not exist
ORA-06550: line 2, column 3:
PL/SQL: SQL Statement ignored
SQL> COLUMN error_stack FORMAT a61 WRAPPED
SQL> SET LINE 80
SQL>
SQL> SELECT * FROM error_log;
TIMESTAMP USERNAME INSTANCE
--------- ------------------------------ ----------
DATABASE_NAME
--------------------------------------------------
ERROR_STACK
-------------------------------------------------------------
18-JUN-08 RNTSOFT 1
XE
ORA-00942: table or view does not exist
18-JUN-08 RNTSOFT 1
XE
ORA-06550: line 2, column 15:
TIMESTAMP USERNAME INSTANCE
--------- ------------------------------ ----------
DATABASE_NAME
--------------------------------------------------
ERROR_STACK
-------------------------------------------------------------
PL/SQL: ORA-00942: table or view does not exist
ORA-06550: line 2, column 3:
PL/SQL: SQL Statement ignored
SQL>
SQL> DROP TABLE error_log;
Table dropped.
SQL>
SQL> drop trigger LOGERRORS;
Trigger dropped.
SQL>